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Senior Systems Administrator (VOIP)

ManTech | Clarksburg WV 26461 USA | Full Time | Posted: 06/14/2019

Job Descriptiontop

Secure our Nation, Ignite your Future

Entering ManTech's 50th year, we hold the distinct honor of being named a Top 100 Global Technology Company by Thomson Reuters. We have earned this and many other accolades over the years for our dedication to serving the missions of our nation's most important customers: U.S. Intelligence, Defense and Federal Civilian agencies. All know us as a trusted partner offering best-in-class solutions in cyber, data collection & analytics, enterprise IT, and systems and software engineering tailored to meet their specific requirements.

Become an integral part of a diverse team in the Mission, Cyber and Intelligence Solutions (MCIS) Group. Currently, ManTech is seeking a motivated, mission oriented Senior Systems Administrator (VOIP), in the Clarksburg, WV area, with strong Customer relationships. At ManTech, you will help protect our national security while working on innovative projects that offer opportunities for advancement.

The FSS Division provides cyber solutions to a wide range of Defense and Intelligence Community customers. This division consists of a team of technical leaders that deliver advanced technical solutions to government organizations. Our customers have high standards, are technically adept, and use our products daily to support their mission of protecting national security. Our contributions to our customer's success is driving our growth. As a Senior Systems Administrator, you will be part of a team that is tasked with providing IT operations services to our client for a large-scale IT system.

Responsibilities include, but are not limited to:

  • Perform daily duties of backups, maintenance on applications and OS, patching, tuning, scripting, automating tasks, and troubleshooting
  • Configure the environment based on requested changes
  • Follow CM process to effectively manage environment changes
  • Provide on-call support as required during the year, supporting mission-critical systems (on-call rotation),
  • Provide necessary instruction and documentation for change requests, installing operating systems, loading (installing) COTS products, and configuring operating systems and COTS products
  • The systems administrator shall possess knowledge of tracking and analyzing performance and resource utilization of the assigned systems, and shall have experience in recommending changes, upgrades, and enhancements based on the technical analysis
  • Assisting with the O&M of the hardware and software delivered by Avaya during the Telecommunications Infrastructure Upgrade(TIU) project housed at both the CJIS Division Complex and NICS call centers.
  • Experience with VMWare and SQL is needed.

Knowledge and experience in RedHat Enterprise, CentOS, and/or Monte Vista would be beneficial.

**To help ensure the appropriate skill sets, the following includes a few examples of the functions that shall be commonly performed by the Application Systems Analyst (VOIP). To include, but not limited to:

  • Planning and scheduling the installation of new or modified hardware and operating systems and applications software; managing accounts, network rights, and access to systems and equipment
  • Managing systems resources including performance, capacity, availability, serviceability, and recoverability; implementing security procedures and tools
  • Developing and documenting systems administration standard operating procedures
  • Resolving hardware/software interface and interoperability problems
  • Ensuring systems availability, functionality, integrity, and efficiency
  • Maintaining systems configuration
  • Managing the installation and integration of systems fixes, updates, and enhancements
  • Ensuring the rigorous application of information security/ information assurance policies, principles, and practices in the delivery of systems administration services.
  • Specialize in Microsoft SQL and VoIP services including but not limited to Microsoft Windows Server (2003 ,2012), Voice over Internet Protocol, Active Directory, System Center, WSUS, SharePoint, SQL, and PowerShell.

Qualifications include:

  • Bachelor's degree Engineering, Computer Science or related field preferred and eight or more years of experience in installing operating systems, loading (installing) COTS products, and configuring operating systems and COTS products
  • Eight or more years of RedHat Linux or equivalent systems administration experience
  • Experience performing detailed performance analysis and resource utilization of major IT systems
  • Possess leadership experience to assure appropriate changes, upgrades, and enhancements are made based on the analysis
  • Troubleshooting skills
  • Flexible working hours - able to support occasional nights, weekends, and call-ins
  • Ability to work varying shifts Able to quickly adapt to a constantly changing environment
  • Perl and other scripting languages preferred
  • Oracle database familiarity preferred
  • Certifications in operating systems and other COTS products are desired but not required

Security Requirements:

U.S. Citizenship and an active TS/SCI clearance required.

Equivalent Experience


Bachelors Preferred

ManTech International Corporation, as well as its subsidiaries proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment because of race, color, sex, religion, age, sexual orientation, gender identity and expression, national origin, marital status, physical or mental disability, status as a Disabled Veteran, Recently Separated Veteran, Active Duty Waretime or Campaign Badge Veteran, Armed Forces Services Medal, or any other characteristic protected by law.

If you require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please contact ManTech's Corporate EEO Department at (703) 218-6000. ManTech is an affirmative action/equal opportunity employer - minorities, females, disabled and protected veterans are urged to apply. ManTech's utilization of any external recruitment or job placement agency is predicated upon its full compliance with our equal opportunity/affirmative action policies. ManTech does not accept resumes from unsolicited recruiting firms. We pay no fees for unsolicited services.

If you are a qualified individual with a disability or a disabled veteran, you have the right to request an accommodation if you are unable or limited in your ability to use or access as a result of your disability. To request an accommodation please click and provide your name and contact information.

Job Detailstop

Location Clarksburg, WV, 26461, United States
Categories Professional

Location Maptop

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Job Code 105901BR